Ground Up Climbing Guides

Mammoth Lakes, CA 93546

Toll free phone: 609-647-4787

Local phone: 609-647-4787

Dates Closed: Winter

Hours of Operation: 7 am to 9 pm

The Mammoth Lakes region is the center of Eastern Sierra rock climbing and Ground Up Climbing Guides is your portal into the local crags and back country climbing. Whether you are a new or novice climber looking to experience the thrill and excitement of your first outdoor climbing experience, or an experienced climber seeking more aggressive multi-pitch climbs, Ground Up Climbing Guides will be with you every step of the way.

Check out the owner of Ground Up Climbing Guides, Clay Tyson, on the We Get Outdoors Podcast:

Traveler Reviews

TripAdvisor Traveler Rating

Overall Rating: 5.0

based on 140 reviews

Great Guide for First-Timers!
I booked an appointment with Clay from Ground Up as an anniversary gift for my wife and I. Neither of us had ever been rock climbing before, not even in a climbing gym. I was a little apprehensive...
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1000% recommending to everyone I know
Most knowledgeable and personable guides that prioritize teaching you how to climb, and climb safely, all while having one hell of a time. These weekends are truly what you make of them- Clay and his...
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Awesome climbing experience!
I took my 5 year-old son out for a morning of climbing with Clay and it was perfect! It was his first time climbing outdoors and Clay knew exactly what to do to make it a positive experience. He's...
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